DEVELOPMENT OF COUNTERFORT RETAINING WALL AT LOWER DHALPUR NEAR BUSSTAND.

Amount

Excavation / Cutting in earth work and disposal of excavated earth upto a lead of 20 metres Pick Work Jumper Work Up to 1.5 m

Filling available excavated earth (excluding rock) in trenches, plinth,sides of foundations etc. in layers not exceeding 20cm in depth,consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m

Random rubble masonry/polygonal rubble masonry (Uncoursed/brought to courses) with hard stone of approved quality in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 Sand : 12 Graded stone aggregate 20mm nominal size) in cement mortar 1:6 (1 cement:6 sand) in breast walls and retaining walls. Stone pitching along toe

Supplying & laying of drainage composite for use behind walls, between two different fills, along side-drains of road, below concrete lining of canals etc. Geocomposite for planar drainage, realized by thermo bonding a draining core in extruded monofilaments with two filtering nonwoven geotextiles that may also be working as separation or protecting layers. The draining three dimensional core will have a “W” configuration as longitudinal parallel channels. Minimum thickness to be 7.2mm, with two filtering UV stabilized polypropylene nonwoven geotextile of minimum thickness of 0.75mm charecteristic opening size (O90) of 110 micron and tensile strength of 8.0 kN/m that will be working as separation or protecting layer, geocomposite having in plane flow capacity of 2.1 L / (m.s) at hydraulic gradient of 1.0 & 20 kPa pressure and tensile strength of 18 kN/m , with mass per unit area of 740 gsm, supplied in the form of roll for easy transportation to site of work as per detailed specification all complete as per directions of Engineer in charge.

Providing and laying cement concrete 1:2:4(1 cement:2 sand :4 graded stone aggregate 40mm nominal size)and curing complete excluding cost of form work in:Foundations and plinth, PCC below raft

Providing & laying cement concrete using nominal mix of " M - 30 " with 20 mm & down gauge nominal size graded stone aggregate) & curing complete excluding the cost of form work & reinforcement for reinforced concrete work in : - Foundation and Plinth, complete RW

Providing form work with steel plates 3.15mm.thick welded with angle iron in frame 30x30x5mm. so as to give a fair finish including centring, shuutering, strutting and propping etc. with wooden battens and ballies, height of propping and centring below supporting floor to ceiling not exceeding 4 Mtrs. and removal of the same for insitu-reinforced concrete & plain concrete work in:Vertical surfaces such as walls (any thickness) partitions and the like including attached pillasters,buttresses,plinth and string courses and the like.PCC For Retaining Wall, Bottom raft side shuttering, Vertical Walls, Counterfort

Providing mild steel/Tor steel reinforcement for R.C.C. work including bending, binding and placing in position complete upto floor two level Tor Steel For Retaining Wall

PVC weep hole pipe of 100 dia